Amir Taghavi and kourosh Parand and Hosein Fani, Lagrangian Method for Solving Unsteady Gas Equation. journal = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology. November 2009, vol. 35(11). 991 - 995 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/8328.